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Cisco 300-420 Exam Overview:

Certification Vendor:Cisco
Exam Name:Designing Cisco Enterprise Networks (ENSLD)
Exam Number:300-420 ENSLD
Certificate Validity Period:3 years
Exam Price:$300 USD
Exam Duration:90 minutes
Real Exam Qty:55-65
Available Languages:Japanese, Simplified Chinese, English
Exam Format:Simulation-based questions, Multiple choice, Multiple response, Drag and drop
Related Certifications:CCNP Enterprise
CCIE Enterprise Infrastructure
Recommended Training:Cisco Official Training (Designing Cisco Enterprise Networks)
Cisco Learning Network - ENSLD
Exam Registration:Cisco Certification Exam Registration
Pearson VUE Cisco Exams
Sample Questions:Cisco 300-420 Sample Questions
Exam Way:Available via Pearson VUE test centers or online proctored exam
Pre Condition:No formal prerequisites required. Recommended: CCNA-level knowledge and CCNP Enterprise core exam (350-401 ENCOR).
Official Syllabus URL:https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/300-420-ensld.html

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Cisco 300-420 certification exam is a challenging and advanced-level certification exam that focuses on designing complex enterprise networks. Candidates who pass 300-420 exam will have the skills and knowledge required to plan, design, deploy, and manage complex enterprise network solutions. To prepare for 300-420 Exam, candidates should have several years of experience in designing and deploying enterprise networks and should take advantage of various training courses and study materials offered by Cisco.

Cisco Designing Cisco Enterprise Networks Sample Questions (Q315-Q320):

NEW QUESTION # 315
Instructions
The main screen consists of two parts; the Main scenario and the Topology tabs. The main scenario describes TSHOOT.com test bed. The Topology tabs allow you to display the appropriate and select the trouble ticket.
To complete the item, you will first need to familiarize yourself with the TSHOOT.com test bed by clicking on the master scenario first and then the topologies tabs. Once you are familiar with the test bed and the topologies, you should start evaluating the trouble ticket. You will be presented with a Trouble Ticket scenario that will describe the fault condition. You will need to determine on which device the fault condition is located, to which technology the fault condition is related, and the solution to each trouble ticket. This will be done by answering three questions.
Ticket Selection
To begin, click on the Ticket on the Topology tabs.
Please note. Some of the questions will require you to use the scroll bar to see all options.
Fault Isolation
Read the ticket scenario to understand the fault condition.
Open the appropriate topology, based upon the ticket scenario.
Open the console of the desired device by clicking on that device in the topology, based upon your troubleshooting methodology.
Use the supported show, ping and trace commands to begin your fault isolation process.
Move to other devices as need by clicking on those devices within the topology.
Fault Identification
The trouble ticket will include three questions that you will need to answer:
1. Which device contains the fault
2. Which technology the fault condition is related to
3. What is the solution to the issue
To advance to the next question within the ticket click on "Next Question".
When you click "DONE", the trouble ticket will turn RED and will no longer be accessible.
You may also use the "Previous Question" button to review questions within that specific ticket.
To complete a trouble ticket, answer all three questions and click "DONE". This will store your response to the questions. Do not click on "DONE" unless you have answered all questions within the ticket.
Item Completion
Click the NEXT button on the bottom of the screen once a ticket is RED. This action moves you to the next item.
Scenario
The company has created the test bed network shown in the layer 2 and layer 3 topology exhibits.
This network consists of four routers, two layer 3 switches and two layer 2 switches.
In the IPv4 layer 3 topology, R1, R2, R3, and R4 are running OSPF with an OSPF process number 1.
DSW1, DSW2 and R4 are running EIGRP with an AS of 10. Redistribution is enabled where necessary.
R1 is running a BGP AS with a number of 65001. This AS has an eBGP connection to AS 65002 in the ISP's network. Because the company's address space is in the private range, R1 is also providing NAT translations between the inside (10.1.0.0/16 & 10.2.0.0/16) networks and the outside (209.65.200.0/24) network.
ASW1 and ASW2 are layer 2 switches.
NTP is enabled on all devices with 209.65.200.226 serving as the master clock source.
The client workstations receive their IP address and default gateway via R4's DHCP server. The default gateway address of 10.2.1.254 is the IP address of HSRP group 10 which is running on DSW1 and DSW2.
In the IPv6 layer 3 topology R1, R2, and R3 are running OSPFv3 with an OSPF process number 6. DSW1, DSW2 and R4 are running RIPng process name RIP_ZONE. The two IPv6 routing domains, OSPF 6 and RIPng are connected via GRE tunnel running over the underlying IPv4 OSPF domain. Redistribution is enabled where necessary.
Recently the implementation group has been using the test bed to do a 'proof-of-concept' on several implementations. This involved changing the configuration on one or more of the devices. You will be presented with a series of trouble tickets related to issues introduced during these configurations.

The implementation group has been using the test bed to do a 'proof-of-concept' that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing schemes, DHCP services, NTP services, and FHRP services, a trouble ticket has been opened indicating that Client 1 cannot ping the 209.65.200.241 address.
Use the supported commands to isolate the cause of this fault and answer the following questions.
The fault condition is related to which technology?

Answer: C

Explanation:
Steps need to follow as below:-1.When we check on client 1 & Client 2 desktop we are not receiving DHCP address from R4Ipconfig ----- Client will be getting 169.X.X.X2.On ASW1 port Fa1/0/ 1 & Fa1/0/2 access port VLAN 10 was assigned which is using IPaddress 10.2.1.0/24Sh run ------- & check for running config of int fa1/0/1 & fa1/0/2====================================================interface FastEthernet1/0/1switchport mode accessswitchport access vlan 10interface FastEthernet1/0/2switchport mode accessswitchport access vlan 10
3.We need to check on ASW 1 trunk port the trunk Po13 & Po23 were receiving VLAN 20 &200 but not VLAN
10 so that switch could not get DHCP IP address and was failing to reach IPaddress of Internet4.
Change required:
On ASW1 below change is required for switch-to-switch connectivity..int range portchannel13,portchannel23switchport trunk allowed vlan noneswitchport trunk allowed vlan 10,200


NEW QUESTION # 316
An infrastructure team is concerned about the shared memory utilization of a device, and for this reason, they need to monitor the device state. Which solution limits impact on the device and provides the required data?

Answer: C

Explanation:
Explanation
There are two types of subscriptions: periodic and on-change. With periodic subscription, data is streamed out to the destination at the configured interval. It continuously sends data for the lifetime of that subscription.
With on-change, data is published only when a change in the data occurs such as when an interface or OSPF neighbor goes down.
https://developer.cisco.com/docs/ios-xe/#!streaming-telemetry-quick-start-guide/streaming-telemetry


NEW QUESTION # 317

Refer to the exhibit. Which method must an architect use to provide connectivity between the mail servers?

Answer: D

Explanation:
The IPv4-compatible method is the closest match when the exhibit requires IPv6 connectivity between servers across an IPv4 portion of the network without using 6to4, 6rd, or ISATAP. IPv4-compatible IPv6 addressing represents an IPv4 address inside an IPv6 address format and was historically used for automatic IPv6-over- IPv4 tunneling between dual-stack nodes. Although this technique is now considered legacy and is not preferred for new designs, it matches the answer choice that directly embeds IPv4 reachability for host-to-host connectivity. ISATAP is normally used inside an enterprise IPv4 network to connect IPv6 hosts over an IPv4 intranet. 6to4 and 6rd are provider or site transition mechanisms that use specific IPv6 prefix behavior and are not simply a direct method between the depicted mail servers. For modern Cisco design, dual-stack or manually engineered tunnels would normally be preferred, but given these choices, IPv4-compatible addressing is the method aligned to the exhibit requirement. Reference topics: IPv6 transition mechanisms, IPv4-compatible addressing, tunneling, dual-stack migration, host connectivity.


NEW QUESTION # 318
An engineer must propose a solution for a campus network that includes the capability to create multiple Layer
3 virtual networks. Each network must have its own addressing structure and routing table for data forwarding.
The solution must be scalable to support hundreds of virtual networks and allow simple configuration and management with minimal administrative overhead. Which solution does the engineer recommend?

Answer: A


NEW QUESTION # 319
Drag and Drop Question
Drag and drop the characteristics from the left onto the configuration protocols they describe on the right.

Answer:

Explanation:


NEW QUESTION # 320
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